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# Method for calculation of boarding times for multiple aisle cabin layouts by utilization of electricity theory analogies

IP.com Disclosure Number: IPCOM000238623D
Publication Date: 2014-Sep-08
Document File: 5 page(s) / 216K

## Publishing Venue

The IP.com Prior Art Database

09771: IP.COM

## Abstract

Method for calculation of boarding times for multiple aisle cabin layouts by utilization of electricity theory analogies This study is busy with boarding time calculation for cabin layouts with more than 2 longitudinal aisles. According to the suggested method a cabin layout can be seen as a huge series connection of single resistance, whereby some single resistances could probably consist of parallel connections. The calculation of the total resistance of this “circuit” gives a calculated boarding time taking into account the higher blocking effects of a higher number of seats per row as well as a better passenger distribution due to multiple aisles. It can be applied on any kind of layout, independent of the size or number of rows. However, it should be noted that the physical laws of electrical theory cannot be applied 1:1, but need to be modified.

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Page 01 of 5

Method for calculation of boarding times for multiple aisle cabin layouts by utilization of electricity theory analogies

This study is busy with boarding time calculation for cabin layouts with more than 2 longitudinal aisles. According to the suggested method a cabin layout can be seen as a huge series connection of single resistance, whereby some single resistances could probably consist of parallel connections. The calculation of the total resistance of this "circuit" gives a calculated boarding time taking into account the higher blocking effects of a higher number of seats per row as well as a better passenger distribution due to multiple aisles. It can be applied on any kind of layout, independent of the size or number of rows. However, it should be noted that the physical laws of electrical theory cannot be applied 1:1, but need to be modified.

Page 02 of 5

Method for calculation of boarding times for multiple aisle cabin layouts by utilization of electricity theory analogies

In the frame of a study analyzing cabin layouts with up to 4 aisles it became obvious, that established methods and tools for boarding time calculation do not allow any conclusion for cabin layouts with more than 2 longitudinal aisles. For the study, this difficulty needed to be compensated with various complex assumptions and estimations. Subsequently to this study it seemed reasonable, that a boarding process, resp. the therefor required time, features a lot of parallels towards the definition of electrical resistance in case of series and parallel connection. Therefore established physical laws can be used to conduct a simple and low-effort calculation.

The calculation of such a boarding time needs to consider effects (e.g. dispersion of passengers to the aisles), which can't be depicted in former methods (simple calculation: Pax/second) and simulation tools (e.g. Cabin Sim). These utilize strongly simplified assumptions, which are not valid for layouts with a higher number of aisles, as more parallel aisles have a significant accelerating effect on the boarding time.

Therefore, a general method for calculation of boarding times is significant and essential in case of evaluation of the layout. By use of the in this document described method a boarding time can be calculated independent of the number of aisles or seat rows. Besides applying it to conventional layouts it can also be applied to innovative cabin layouts and therefore represents an integral solution, covering the complete scope of application.

An exemplarily conventional cabin layout is displayed below:

The boarding time calculation of these conventional layouts is conducted by using very simple estimations, e.g. 15 Pax per minute per door. This rate tries to include the fact that passenger storing hand luggage block the aisle so that other passengers have to wait. What it does not include is the effect, that a higher number of seats in one row (e.g. 4-Abreast vs. 6-Abreast) changes the...